Move additional scripts to 'extra' directory

extra/88-gsr-coolbits.conf

@@ -0,0 +1,5 @@
+Section "Device"
+    Identifier     "Device0"
+    Driver         "nvidia"
+    Option         "Coolbits" "12"
+EndSection

extra/gsr-nvidia.conf

@@ -0,0 +1 @@
+options nvidia NVreg_PreserveVideoMemoryAllocations=1

extra/install_coolbits.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+script_dir=$(dirname "$0")
+cd "$script_dir"
+
+[ $(id -u) -ne 0 ] && echo "You need root privileges to run the install script" && exit 1
+
+for xorg_conf_d in "/etc/X11/xorg.conf.d" "/usr/share/X11/xorg.conf.d" "/usr/lib/X11/xorg.conf.d"; do
+    [ -d "$xorg_conf_d" ] && install -Dm644 "88-gsr-coolbits.conf" "$xorg_conf_d/88-gsr-coolbits.conf" && exit 0
+done

extra/install_preserve_video_memory.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+script_dir=$(dirname "$0")
+cd "$script_dir"
+
+[ $(id -u) -ne 0 ] && echo "You need root privileges to run the install script" && exit 1
+
+install -Dm644 gsr-nvidia.conf /etc/modprobe.d/gsr-nvidia.conf